DR. EUGENE J LOUIE-NG M.D.
NPI 1164476818
Obstetrics & Gynecology in Gainesville, VA

Active since May 19, 2006PECOS EnrolledAccepts Medicare Assignment
7915 LAKE MANASSAS DRIVE, SUITE 205, GAINESVILLE, VA 20155(866) 775-3551(703) 365-7702 Get Directions Write a Review

NPPES record last updated: March 19, 2026. Verified against the NPPES registry weekly; last sync: July 19, 2026.

Record update history: Mar 19, 2026, Jun 12, 2025, Jul 14, 2024 and 2 more (5 updates tracked since 2018).

About Dr. Eugene J Louie-ng M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. EUGENE J LOUIE-NG M.D. (NPI 1164476818) is an individual obstetrics & gynecology provider in Gainesville, Virginia, licensed in Virginia (0101230347) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS, is affiliated with Novant Prince William Medical Center, and maintains 3 additional practice locations.

NPPES Registry Identity

NPI1164476818
Entity TypeIndividualMale
Primary Taxonomy207V00000X
Provider Legal NameDR. EUGENE J LOUIE-NGCredential: M.D.
Location Address7915 LAKE MANASSAS DRIVE, SUITE 205Gainesville, VA 20155
Mailing AddressPo Box 748613Atlanta, GA 30374-8613
Fax(703) 365-7702
Sole ProprietorNo
Medical School CMSOtherGraduated 1995
Enumeration DateMay 19, 2006
Last NPPES UpdateMarch 19, 20265 updates tracked since enumeration
NPPES CertifiedMarch 19, 2026
NPI 1164476818 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
Licenses Licensed in VA · 0101230347 Licensed in FL · ME179014 Licensed in MA · 1020658 Licensed in IN · 01051386A
Definition

An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.

Also ListedObstetrics & Gynecology · ObstetricsTaxonomy 207VX0000X · License 334442 (NC)
7915 LAKE MANASSAS DRIVE, Gainesville, VA 20155

Secondary Practice Locations 3

Location 1920 E High St Ste 201Charlottesville, VA 22902-4850 · Phone (434) 654-2870 · Fax (833) 954-5530
Location 24810 S Croatan Hwy Ste 100Nags Head, NC 27959-8504 · Phone (252) 261-4885 · Fax (252) 441-2641
Location 3680 Centre StBrockton, MA 02302-3308 · Phone (508) 941-7379

Other Identifiers 9

Other2636038Aetna
Other388653Mamsi
Other505708Ncppo
Other0701734United Healthcare
Other21881Unicare
Medicaid6205232VA
Other212177Anthem
Medicaid292836VA
Other1187852002Cigna

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. Eugene J Louie-ng M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID9537176417
PECOS Enrollment IDI20060317000306, I20240723002864
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 3

Services this provider delivered to Medicare fee-for-service patients, from the 2024 & 2026 CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
17 services16 patients
Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory Q0091
A Papanicolaou smear, often called a Pap smear, is a test to check for changes in cells. A small sample is gently collected from the lower region and sent to a lab for examination. This helps in early detection of potential health issues.
12 services12 patients
Cervical or vaginal cancer screening; pelvic and clinical breast examination G0101
This procedure involves checking for health issues in the lower abdomen and chest area. It helps identify early signs of certain conditions, increasing the chance for successful treatment. It's a routine check-up that's important for maintaining good health.
11 services11 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Novant Prince William Medical Center

Acute Care Hospitals · Manassas, VA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number490045
Location8700 Sudley RdManassas, VA 20110 · Manassas City County
Emergency services Birthing friendly

Uva Health Haymarket Medical Center

Acute Care Hospitals · Haymarket, VA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number490144
Location15225 Healthcote BoulevardHaymarket, VA 20169 · Prince William County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 20155 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$129.04 typical visit price
range $56.19 – $170.30
Typical copayment $32.26 (range $14.04 – $42.57)
Most-billed visit code 99204
Established Patient
$70.08 typical visit price
range $18.07 – $138.91
Typical copayment $17.52 (range $4.51 – $34.72)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

Reported Quality Measures

Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan
Percentage of patients aged 18 years and older with a BMI documented during the current encounter or during the previous twelve months AND with a BMI outside of normal parameters, a follow-up plan is documented during the encounter or during the previous…
29%42 patients2/55-star benchmark: 100%
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Other Providers at the Same Location NPPES 7

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Dentist (Oral and Maxillofacial Surgery)
7915 LAKE MANASSAS DRIVE, SUITE 115
GAINESVILLE, VA 20155
Pediatrics
7915 LAKE MANASSAS DRIVE, SUITE 209
GAINESVILLE, VA 20155
Obstetrics & Gynecology
7915 LAKE MANASSAS DRIVE, SUTIE 205
GAINESVILLE, NC 20155
Physical Therapist
7915 LAKE MANASSAS DRIVE, SUITE 305
GAINESVILLE, VA 20155
Physical Therapist
7915 LAKE MANASSAS DRIVE, SUITE 305
GAINESVILLE, VA 20155
Dentist (Pediatric Dentistry)
7915 LAKE MANASSAS DRIVE, SUITE 301
GAINESVILLE, VA 20155
Physical Medicine & Rehabilitation
7915 LAKE MANASSAS DRIVE, SUITE 305
GAINESVILLE, VA 20155

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1164476818, enumerated as an "individual" on May 19, 2006.

The provider is located at 7915 LAKE MANASSAS DRIVE SUITE 205 GAINESVILLE, VA 20155 and the phone number is (866) 775-3551.

Obstetrics & Gynecology with taxonomy code 207V00000X.

The provider might be accepting Accepts: Aetna, Medicare, Medicaid, Anthem Blue Cross and. Please consult your insurance carrier or call the provider to verify.

Eugene Louie-ng is affiliated with: NOVANT PRINCE WILLIAM MEDICAL CENTER and UVA HEALTH HAYMARKET MEDICAL CENTER.